adj. 附带的,附属的,次要的;助的,帮助的;补足的;
n. 附属事物,附属机构,子公司;附属者,附属品;
sub下+sid坐+iary形容词后缀→坐在下面帮助别人→补助的
🗣️ 情景例句
So soon? Can't you stay a little longer?
就要走啊?你不能多呆一会儿吗?
The news of Tom's death filled us with grief.
汤姆的噩耗,使得我们满怀悲伤。
The captain knew that another attempt would be made later, for the sunken ship he was trying to find had been carrying a precious cargo of gold bullion.